positive predictive value
Medical statistics term: the probability that a positive test result truly indicates the condition.
The positive predictive value of this test is about 95%.
Sensitivity: the proportion of actual positives correctly identified. 陽性的中率 depends on prevalence, while 感度 is a fixed test characteristic.
Specificity: the proportion of actual negatives correctly identified. 陽性的中率 is influenced by both 感度 and 特異度.
Compound of 陽性 (positive) + 的 (adjectival suffix) + 中率 (hit rate, from 的中 + 率). A modern medical statistics term.